Matt Ficken (Insight Global) wrote: > If the connection from the WAN Accelerator to the origin SMB server is down > (ie the origin SMB server is down), shouldn't the WAN Accelerator realize > that, and then not be responding to SMB echoes (at least responding as though > it was the origin SMB server)?
In theory, theory and practice are the same. In practice they're not. In other words, "should do" and "does do" are two very different things. :) ...but I agree with Volker and Jeremy and others. It's not our[1] job to fix these things unless the fix is generally beneficial to the implementation. Chris -)----- [1]Where "our" refers to SMB/CIFS implementers in general. > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Volker Lendecke > Sent: Monday, December 06, 2010 12:17 PM > To: Christopher R. Hertel > Cc: Steve French; [email protected]; [email protected]; > Jeff Layton; [email protected] > Subject: Re: cifs client timeouts and hard/soft mounts > > On Mon, Dec 06, 2010 at 12:54:30PM -0600, Christopher R. Hertel wrote: >> There are a lot of companies out there that do WAN acceleration and each of >> them do things differently, so there is no good answer to your quite >> rational question. Some of the vendors are very focused on "just like the >> real thing" behavior while others are willing to compromise behavior in >> favor of acceleration. >> >> The best-known product in this market would be Riverbed. BlueCoat is >> another, I think. > > Sorry, but if a WAN accelerator does not have the smarts to > see that if a client sends smbechos, it is in trouble, then > that WAN accelerator is just broken. It does not necessarily > need to send these echos across the WAN link, but it must > trigger its own server liveliness check at this point. > > Volker > -- "Implementing CIFS - the Common Internet FileSystem" ISBN: 013047116X Samba Team -- http://www.samba.org/ -)----- Christopher R. Hertel jCIFS Team -- http://jcifs.samba.org/ -)----- ubiqx development, uninq. ubiqx Team -- http://www.ubiqx.org/ -)----- [email protected] OnLineBook -- http://ubiqx.org/cifs/ -)----- [email protected] -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
